Eversource Energy, a public utility holding company, engages in the energy delivery business. The company operates in four segments: Electric Distribution, Electric Transmission, Natural Gas Distribution, and Water Distribution. It is involved in the transmission and distribution of electricity; and distribution of natural gas. The company operates regulated water utilities. It also provides water services to approximately 229,000 customers. It serves residential, commercial, industrial, and municipal and fire protection customers in Connecticut, Massachusetts, and New Hampshire, the United States. The company was formerly known as Northeast Utilities and changed its name to Eversource Energy in April 2015. Eversource Energy was founded in 1927 and is based in Springfield, Massachusetts.